subf

Arguments

a, b, c

character strings

Description

c = subf("a", "b") performs a symbolic subtraction and returns the character string c which is "a-b". Trivial simplifications such as subf("0","a") or subf("1","2") are performed.

Examples

subf('0','a') subf('2','1') subf('a','0')

See Also

• addf — symbolic addition
• mulf — symbolic multiplication
• ldivf — left symbolic division
• rdivf — right symbolic division
• eval — evaluation of a matrix of strings
• evstr — evaluation of expressions